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Finding the Fourth Proportional to 62,765.01, 86,516.00 and 49,313.14

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Solution

The fourth proportional to 62,765.01, 86,516.00 and 49,313.14 is: 67,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,765.01 : 86,516.00 = 49,313.14 : x
  2. Step 2: Convert to fraction form
    62,765.01/86,516.00 = 49,313.14/x
  3. Step 3: Cross multiply
    62,765.01x = 86,516.00 × 49,313.14
  4. Step 4: Simplify right side
    62,765.01x = 4,266,375,342.31
  5. Step 5: Solve for x
    x = 4,266,375,342.31/62,765.01
  6. Step 6: Final answer
    x = 67,973.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.